What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 94863-8: Transthyretin width at half peak height (Bld) [Mass]

Name: LOINC Code 94863-8: Transthyretin width at half peak height (Bld) [Mass]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:24.123Z

94863-8 is a LOINC code used to identify Transthyretin width at half peak height (Bld) [Mass] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Transthyretin width at half peak height. It is commonly used with the system or sample type Bld.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Transthyretin width at half peak height. It is commonly used with the system or sample type Bld.

When is it used?

Used in lab systems, EHRs, and clinical data exchange.
May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
Status: ACTIVE
Order vs observation: Observation

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Transthyretin width at half peak height [Mass] in Blood
Transthyretin width at half peak height
Blood; Chemistry; Neuro; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; TTR; TTR width at half height; WB; Whole blood

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Transthyretin width at half peak height (Bld) [Mass]Transthyretin width at half peak height [Mass] in BloodTTR width at half height Bld QnTransthyretin width at half peak heightCHEMTransthyretin width at half peak height, BloodMass

Frequently asked questions

Code details

Code94863-8

SystemLOINC

Display nameTransthyretin width at half peak height (Bld) [Mass]

DescriptionTransthyretin width at half peak height

Short nameTTR width at half height Bld Qn

ComponentTransthyretin width at half peak height

PropertyMass

TimingPt

System (specimen)Bld

ScaleQn

ClassCHEM

Example unitsDa

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.68

Last changed2.68

Consumer names

Transthyretin width at half peak height, Blood

Part names

Transthyretin width at half peak heightMassPtBldQnPoint in time (spot)Blood

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.